28494015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 53568000

約数和(自身を除く): 25073985

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 61, 95, 149, 165, 183, 209, 285, 305, 447, 627, 671, 745, 915, 1045, 1159, 1639, 2013, 2235, 2831, 3135, 3355, 3477, 4917, 5795, 8195, 8493, 9089, 10065, 12749, 14155, 17385, 24585, 27267, 31141, 38247, 42465, 45445, 63745, 93423, 99979, 136335, 155705, 172691, 191235, 299937, 467115, 499895, 518073, 863455, 1499685, 1899601, 2590365, 5698803, 9498005, 28494015]

約数ペア:

[(1, 28494015), (3, 9498005), (5, 5698803), (11, 2590365), (15, 1899601), (19, 1499685), (33, 863455), (55, 518073), (57, 499895), (61, 467115), (95, 299937), (149, 191235), (165, 172691), (183, 155705), (209, 136335), (285, 99979), (305, 93423), (447, 63745), (627, 45445), (671, 42465), (745, 38247), (915, 31141), (1045, 27267), (1159, 24585), (1639, 17385), (2013, 14155), (2235, 12749), (2831, 10065), (3135, 9089), (3355, 8493), (3477, 8195), (4917, 5795)]