15691521915

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 28126725120

約数和(自身を除く): 12435203205

約数列:

[1, 3, 5, 9, 15, 45, 73, 89, 191, 219, 267, 281, 365, 445, 573, 657, 801, 843, 955, 1095, 1335, 1405, 1719, 2529, 2865, 3285, 4005, 4215, 6497, 8595, 12645, 13943, 16999, 19491, 20513, 25009, 32485, 41829, 50997, 53671, 58473, 61539, 69715, 75027, 84995, 97455, 102565, 125045, 125487, 152991, 161013, 184617, 209145, 225081, 254985, 268355, 292365, 307695, 375135, 483039, 627435, 764955, 805065, 923085, 1125405, 1240927, 1825657, 2415195, 3722781, 3917983, 4776719, 5476971, 6204635, 9128285, 11168343, 11753949, 14330157, 16430913, 18613905, 19589915, 23883595, 27384855, 35261847, 42990471, 55841715, 58769745, 71650785, 82154565, 176309235, 214952355, 348700487, 1046101461, 1743502435, 3138304383, 5230507305, 15691521915]

約数ペア:

[(1, 15691521915), (3, 5230507305), (5, 3138304383), (9, 1743502435), (15, 1046101461), (45, 348700487), (73, 214952355), (89, 176309235), (191, 82154565), (219, 71650785), (267, 58769745), (281, 55841715), (365, 42990471), (445, 35261847), (573, 27384855), (657, 23883595), (801, 19589915), (843, 18613905), (955, 16430913), (1095, 14330157), (1335, 11753949), (1405, 11168343), (1719, 9128285), (2529, 6204635), (2865, 5476971), (3285, 4776719), (4005, 3917983), (4215, 3722781), (6497, 2415195), (8595, 1825657), (12645, 1240927), (13943, 1125405), (16999, 923085), (19491, 805065), (20513, 764955), (25009, 627435), (32485, 483039), (41829, 375135), (50997, 307695), (53671, 292365), (58473, 268355), (61539, 254985), (69715, 225081), (75027, 209145), (84995, 184617), (97455, 161013), (102565, 152991), (125045, 125487)]