72509985

素因数分解:

$3^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 137760000

約数和(自身を除く): 65250015

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 349, 405, 513, 729, 855, 1047, 1215, 1539, 1745, 2187, 2565, 3141, 3645, 4617, 5235, 6631, 7695, 9423, 10935, 13851, 15705, 19893, 23085, 28269, 33155, 41553, 47115, 59679, 69255, 84807, 99465, 141345, 179037, 207765, 254421, 298395, 424035, 537111, 763263, 895185, 1272105, 1611333, 2685555, 3816315, 4833999, 8056665, 14501997, 24169995, 72509985]

約数ペア:

[(1, 72509985), (3, 24169995), (5, 14501997), (9, 8056665), (15, 4833999), (19, 3816315), (27, 2685555), (45, 1611333), (57, 1272105), (81, 895185), (95, 763263), (135, 537111), (171, 424035), (243, 298395), (285, 254421), (349, 207765), (405, 179037), (513, 141345), (729, 99465), (855, 84807), (1047, 69255), (1215, 59679), (1539, 47115), (1745, 41553), (2187, 33155), (2565, 28269), (3141, 23085), (3645, 19893), (4617, 15705), (5235, 13851), (6631, 10935), (7695, 9423)]