1625621535

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{991}}^1$

素因数の和:1453

約数の個数: 64

約数和(自身を含む): 2999808000

約数和(自身を除く): 1374186465

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 419, 435, 783, 991, 1257, 1305, 2095, 2973, 3771, 3915, 4955, 6285, 8919, 11313, 12151, 14865, 18855, 26757, 28739, 36453, 44595, 56565, 60755, 86217, 109359, 133785, 143695, 182265, 258651, 328077, 415229, 431085, 546795, 775953, 1245687, 1293255, 1640385, 2076145, 3737061, 3879765, 6228435, 11211183, 12041641, 18685305, 36124923, 56055915, 60208205, 108374769, 180624615, 325124307, 541873845, 1625621535]

約数ペア:

[(1, 1625621535), (3, 541873845), (5, 325124307), (9, 180624615), (15, 108374769), (27, 60208205), (29, 56055915), (45, 36124923), (87, 18685305), (135, 12041641), (145, 11211183), (261, 6228435), (419, 3879765), (435, 3737061), (783, 2076145), (991, 1640385), (1257, 1293255), (1305, 1245687), (2095, 775953), (2973, 546795), (3771, 431085), (3915, 415229), (4955, 328077), (6285, 258651), (8919, 182265), (11313, 143695), (12151, 133785), (14865, 109359), (18855, 86217), (26757, 60755), (28739, 56565), (36453, 44595)]