2215207875

素因数分解:

$3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 3779882496

約数和(自身を除く): 1564674621

約数列:

[1, 3, 5, 15, 25, 53, 75, 125, 159, 227, 265, 375, 491, 681, 795, 1135, 1325, 1473, 2455, 3405, 3975, 5675, 6625, 7365, 12031, 12275, 17025, 19875, 26023, 28375, 36093, 36825, 60155, 61375, 78069, 85125, 111457, 130115, 180465, 184125, 300775, 334371, 390345, 557285, 650575, 902325, 1503875, 1671855, 1951725, 2786425, 3252875, 4511625, 5907221, 8359275, 9758625, 13932125, 17721663, 29536105, 41796375, 88608315, 147680525, 443041575, 738402625, 2215207875]

約数ペア:

[(1, 2215207875), (3, 738402625), (5, 443041575), (15, 147680525), (25, 88608315), (53, 41796375), (75, 29536105), (125, 17721663), (159, 13932125), (227, 9758625), (265, 8359275), (375, 5907221), (491, 4511625), (681, 3252875), (795, 2786425), (1135, 1951725), (1325, 1671855), (1473, 1503875), (2455, 902325), (3405, 650575), (3975, 557285), (5675, 390345), (6625, 334371), (7365, 300775), (12031, 184125), (12275, 180465), (17025, 130115), (19875, 111457), (26023, 85125), (28375, 78069), (36093, 61375), (36825, 60155)]