213654315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 405504000

約数和(自身を除く): 191849685

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 79, 105, 129, 215, 237, 301, 395, 553, 599, 645, 903, 1185, 1505, 1659, 1797, 2765, 2995, 3397, 4193, 4515, 8295, 8985, 10191, 12579, 16985, 20965, 23779, 25757, 47321, 50955, 62895, 71337, 77271, 118895, 128785, 141963, 180299, 236605, 331247, 356685, 386355, 540897, 709815, 901495, 993741, 1656235, 2034803, 2704485, 4968705, 6104409, 10174015, 14243621, 30522045, 42730863, 71218105, 213654315]

約数ペア:

[(1, 213654315), (3, 71218105), (5, 42730863), (7, 30522045), (15, 14243621), (21, 10174015), (35, 6104409), (43, 4968705), (79, 2704485), (105, 2034803), (129, 1656235), (215, 993741), (237, 901495), (301, 709815), (395, 540897), (553, 386355), (599, 356685), (645, 331247), (903, 236605), (1185, 180299), (1505, 141963), (1659, 128785), (1797, 118895), (2765, 77271), (2995, 71337), (3397, 62895), (4193, 50955), (4515, 47321), (8295, 25757), (8985, 23779), (10191, 20965), (12579, 16985)]