25673985

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 46425600

約数和(自身を除く): 20751615

約数列:

[1, 3, 5, 9, 15, 45, 47, 61, 141, 183, 199, 235, 305, 423, 549, 597, 705, 915, 995, 1791, 2115, 2745, 2867, 2985, 8601, 8955, 9353, 12139, 14335, 25803, 28059, 36417, 43005, 46765, 60695, 84177, 109251, 129015, 140295, 182085, 420885, 546255, 570533, 1711599, 2852665, 5134797, 8557995, 25673985]

約数ペア:

[(1, 25673985), (3, 8557995), (5, 5134797), (9, 2852665), (15, 1711599), (45, 570533), (47, 546255), (61, 420885), (141, 182085), (183, 140295), (199, 129015), (235, 109251), (305, 84177), (423, 60695), (549, 46765), (597, 43005), (705, 36417), (915, 28059), (995, 25803), (1791, 14335), (2115, 12139), (2745, 9353), (2867, 8955), (2985, 8601)]