218201715

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3067}}^1$

素因数の和:3129

約数の個数: 64

約数和(自身を含む): 424120320

約数和(自身を除く): 205918605

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 279, 459, 465, 527, 765, 837, 1395, 1581, 2295, 2635, 3067, 4185, 4743, 7905, 9201, 14229, 15335, 23715, 27603, 46005, 52139, 71145, 82809, 95077, 138015, 156417, 260695, 285231, 414045, 469251, 475385, 782085, 855693, 1407753, 1426155, 1616309, 2346255, 2567079, 4278465, 4848927, 7038765, 8081545, 12835395, 14546781, 24244635, 43640343, 72733905, 218201715]

約数ペア:

[(1, 218201715), (3, 72733905), (5, 43640343), (9, 24244635), (15, 14546781), (17, 12835395), (27, 8081545), (31, 7038765), (45, 4848927), (51, 4278465), (85, 2567079), (93, 2346255), (135, 1616309), (153, 1426155), (155, 1407753), (255, 855693), (279, 782085), (459, 475385), (465, 469251), (527, 414045), (765, 285231), (837, 260695), (1395, 156417), (1581, 138015), (2295, 95077), (2635, 82809), (3067, 71145), (4185, 52139), (4743, 46005), (7905, 27603), (9201, 23715), (14229, 15335)]