251483955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 431446176

約数和(自身を除く): 179962221

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 529, 615, 773, 943, 1587, 2319, 2645, 2829, 3865, 4715, 7935, 11595, 14145, 17779, 21689, 31693, 53337, 65067, 88895, 95079, 108445, 158465, 266685, 325335, 408917, 475395, 728939, 1226751, 2044585, 2186817, 3644695, 6133755, 10934085, 16765597, 50296791, 83827985, 251483955]

約数ペア:

[(1, 251483955), (3, 83827985), (5, 50296791), (15, 16765597), (23, 10934085), (41, 6133755), (69, 3644695), (115, 2186817), (123, 2044585), (205, 1226751), (345, 728939), (529, 475395), (615, 408917), (773, 325335), (943, 266685), (1587, 158465), (2319, 108445), (2645, 95079), (2829, 88895), (3865, 65067), (4715, 53337), (7935, 31693), (11595, 21689), (14145, 17779)]