72971685

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 144144000

約数和(自身を除く): 71172315

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 81, 87, 95, 109, 135, 145, 171, 243, 261, 285, 327, 405, 435, 513, 545, 551, 783, 855, 981, 1215, 1305, 1539, 1635, 1653, 2071, 2349, 2565, 2755, 2943, 3161, 3915, 4617, 4905, 4959, 6213, 7047, 7695, 8265, 8829, 9483, 10355, 11745, 14715, 14877, 15805, 18639, 23085, 24795, 26487, 28449, 31065, 35235, 44145, 44631, 47415, 55917, 60059, 74385, 85347, 93195, 132435, 133893, 142245, 167751, 180177, 223155, 256041, 279585, 300295, 426735, 503253, 540531, 669465, 768123, 838755, 900885, 1280205, 1621593, 2516265, 2702655, 3840615, 4864779, 8107965, 14594337, 24323895, 72971685]

約数ペア:

[(1, 72971685), (3, 24323895), (5, 14594337), (9, 8107965), (15, 4864779), (19, 3840615), (27, 2702655), (29, 2516265), (45, 1621593), (57, 1280205), (81, 900885), (87, 838755), (95, 768123), (109, 669465), (135, 540531), (145, 503253), (171, 426735), (243, 300295), (261, 279585), (285, 256041), (327, 223155), (405, 180177), (435, 167751), (513, 142245), (545, 133893), (551, 132435), (783, 93195), (855, 85347), (981, 74385), (1215, 60059), (1305, 55917), (1539, 47415), (1635, 44631), (1653, 44145), (2071, 35235), (2349, 31065), (2565, 28449), (2755, 26487), (2943, 24795), (3161, 23085), (3915, 18639), (4617, 15805), (4905, 14877), (4959, 14715), (6213, 11745), (7047, 10355), (7695, 9483), (8265, 8829)]