156578175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 304668000

約数和(自身を除く): 148089825

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 199, 225, 269, 325, 585, 597, 807, 975, 995, 1345, 1791, 2421, 2587, 2925, 2985, 3497, 4035, 4975, 6725, 7761, 8955, 10491, 12105, 12935, 14925, 17485, 20175, 23283, 31473, 38805, 44775, 52455, 53531, 60525, 64675, 87425, 116415, 157365, 160593, 194025, 262275, 267655, 481779, 582075, 695903, 786825, 802965, 1338275, 2087709, 2408895, 3479515, 4014825, 6263127, 10438545, 12044475, 17397575, 31315635, 52192725, 156578175]

約数ペア:

[(1, 156578175), (3, 52192725), (5, 31315635), (9, 17397575), (13, 12044475), (15, 10438545), (25, 6263127), (39, 4014825), (45, 3479515), (65, 2408895), (75, 2087709), (117, 1338275), (195, 802965), (199, 786825), (225, 695903), (269, 582075), (325, 481779), (585, 267655), (597, 262275), (807, 194025), (975, 160593), (995, 157365), (1345, 116415), (1791, 87425), (2421, 64675), (2587, 60525), (2925, 53531), (2985, 52455), (3497, 44775), (4035, 38805), (4975, 31473), (6725, 23283), (7761, 20175), (8955, 17485), (10491, 14925), (12105, 12935)]