30992895

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 59558400

約数和(自身を除く): 28565505

約数列:

[1, 3, 5, 9, 15, 19, 27, 43, 45, 57, 95, 129, 135, 171, 215, 281, 285, 387, 513, 645, 817, 843, 855, 1161, 1405, 1935, 2451, 2529, 2565, 4085, 4215, 5339, 5805, 7353, 7587, 12083, 12255, 12645, 16017, 22059, 26695, 36249, 36765, 37935, 48051, 60415, 80085, 108747, 110295, 144153, 181245, 229577, 240255, 326241, 543735, 688731, 720765, 1147885, 1631205, 2066193, 3443655, 6198579, 10330965, 30992895]

約数ペア:

[(1, 30992895), (3, 10330965), (5, 6198579), (9, 3443655), (15, 2066193), (19, 1631205), (27, 1147885), (43, 720765), (45, 688731), (57, 543735), (95, 326241), (129, 240255), (135, 229577), (171, 181245), (215, 144153), (281, 110295), (285, 108747), (387, 80085), (513, 60415), (645, 48051), (817, 37935), (843, 36765), (855, 36249), (1161, 26695), (1405, 22059), (1935, 16017), (2451, 12645), (2529, 12255), (2565, 12083), (4085, 7587), (4215, 7353), (5339, 5805)]