18616275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 36676224

約数和(自身を除く): 18059949

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 93, 153, 155, 157, 225, 255, 279, 425, 465, 471, 527, 765, 775, 785, 1275, 1395, 1413, 1581, 2325, 2355, 2635, 2669, 3825, 3925, 4743, 4867, 6975, 7065, 7905, 8007, 11775, 13175, 13345, 14601, 23715, 24021, 24335, 35325, 39525, 40035, 43803, 66725, 73005, 82739, 118575, 120105, 121675, 200175, 219015, 248217, 365025, 413695, 600525, 744651, 1095075, 1241085, 2068475, 3723255, 6205425, 18616275]

約数ペア:

[(1, 18616275), (3, 6205425), (5, 3723255), (9, 2068475), (15, 1241085), (17, 1095075), (25, 744651), (31, 600525), (45, 413695), (51, 365025), (75, 248217), (85, 219015), (93, 200175), (153, 121675), (155, 120105), (157, 118575), (225, 82739), (255, 73005), (279, 66725), (425, 43803), (465, 40035), (471, 39525), (527, 35325), (765, 24335), (775, 24021), (785, 23715), (1275, 14601), (1395, 13345), (1413, 13175), (1581, 11775), (2325, 8007), (2355, 7905), (2635, 7065), (2669, 6975), (3825, 4867), (3925, 4743)]