218482785

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:735

約数の個数: 64

約数和(自身を含む): 404616960

約数和(自身を除く): 186134175

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 61, 129, 135, 183, 215, 305, 387, 549, 617, 645, 915, 1161, 1647, 1851, 1935, 2623, 2745, 3085, 5553, 5805, 7869, 8235, 9255, 13115, 16659, 23607, 26531, 27765, 37637, 39345, 70821, 79593, 83295, 112911, 118035, 132655, 188185, 238779, 338733, 354105, 397965, 564555, 716337, 1016199, 1193895, 1618391, 1693665, 3581685, 4855173, 5080995, 8091955, 14565519, 24275865, 43696557, 72827595, 218482785]

約数ペア:

[(1, 218482785), (3, 72827595), (5, 43696557), (9, 24275865), (15, 14565519), (27, 8091955), (43, 5080995), (45, 4855173), (61, 3581685), (129, 1693665), (135, 1618391), (183, 1193895), (215, 1016199), (305, 716337), (387, 564555), (549, 397965), (617, 354105), (645, 338733), (915, 238779), (1161, 188185), (1647, 132655), (1851, 118035), (1935, 112911), (2623, 83295), (2745, 79593), (3085, 70821), (5553, 39345), (5805, 37637), (7869, 27765), (8235, 26531), (9255, 23607), (13115, 16659)]