4251975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 8905680

約数和(自身を除く): 4653705

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 89, 91, 105, 147, 175, 195, 245, 267, 273, 325, 445, 455, 525, 623, 637, 735, 975, 1157, 1225, 1335, 1365, 1869, 1911, 2225, 2275, 3115, 3185, 3471, 3675, 4361, 5785, 6675, 6825, 8099, 9345, 9555, 13083, 15575, 15925, 17355, 21805, 24297, 28925, 40495, 46725, 47775, 56693, 65415, 86775, 109025, 121485, 170079, 202475, 283465, 327075, 607425, 850395, 1417325, 4251975]

約数ペア:

[(1, 4251975), (3, 1417325), (5, 850395), (7, 607425), (13, 327075), (15, 283465), (21, 202475), (25, 170079), (35, 121485), (39, 109025), (49, 86775), (65, 65415), (75, 56693), (89, 47775), (91, 46725), (105, 40495), (147, 28925), (175, 24297), (195, 21805), (245, 17355), (267, 15925), (273, 15575), (325, 13083), (445, 9555), (455, 9345), (525, 8099), (623, 6825), (637, 6675), (735, 5785), (975, 4361), (1157, 3675), (1225, 3471), (1335, 3185), (1365, 3115), (1869, 2275), (1911, 2225)]