77538015

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{601}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 139741056

約数和(自身を除く): 62203041

約数列:

[1, 3, 5, 9, 15, 45, 47, 61, 141, 183, 235, 305, 423, 549, 601, 705, 915, 1803, 2115, 2745, 2867, 3005, 5409, 8601, 9015, 14335, 25803, 27045, 28247, 36661, 43005, 84741, 109983, 129015, 141235, 183305, 254223, 329949, 423705, 549915, 1271115, 1649745, 1723067, 5169201, 8615335, 15507603, 25846005, 77538015]

約数ペア:

[(1, 77538015), (3, 25846005), (5, 15507603), (9, 8615335), (15, 5169201), (45, 1723067), (47, 1649745), (61, 1271115), (141, 549915), (183, 423705), (235, 329949), (305, 254223), (423, 183305), (549, 141235), (601, 129015), (705, 109983), (915, 84741), (1803, 43005), (2115, 36661), (2745, 28247), (2867, 27045), (3005, 25803), (5409, 14335), (8601, 9015)]