51218955

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 92386944

約数和(自身を除く): 41167989

約数列:

[1, 3, 5, 9, 15, 45, 47, 61, 141, 183, 235, 305, 397, 423, 549, 705, 915, 1191, 1985, 2115, 2745, 2867, 3573, 5955, 8601, 14335, 17865, 18659, 24217, 25803, 43005, 55977, 72651, 93295, 121085, 129015, 167931, 217953, 279885, 363255, 839655, 1089765, 1138199, 3414597, 5690995, 10243791, 17072985, 51218955]

約数ペア:

[(1, 51218955), (3, 17072985), (5, 10243791), (9, 5690995), (15, 3414597), (45, 1138199), (47, 1089765), (61, 839655), (141, 363255), (183, 279885), (235, 217953), (305, 167931), (397, 129015), (423, 121085), (549, 93295), (705, 72651), (915, 55977), (1191, 43005), (1985, 25803), (2115, 24217), (2745, 18659), (2867, 17865), (3573, 14335), (5955, 8601)]