78868725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3517}}^1$

素因数の和:3566

約数の個数: 48

約数和(自身を含む): 146573952

約数和(自身を除く): 67705227

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 975, 1495, 1725, 3517, 4485, 7475, 10551, 17585, 22425, 45721, 52755, 80891, 87925, 137163, 228605, 242673, 263775, 404455, 685815, 1051583, 1143025, 1213365, 2022275, 3154749, 3429075, 5257915, 6066825, 15773745, 26289575, 78868725]

約数ペア:

[(1, 78868725), (3, 26289575), (5, 15773745), (13, 6066825), (15, 5257915), (23, 3429075), (25, 3154749), (39, 2022275), (65, 1213365), (69, 1143025), (75, 1051583), (115, 685815), (195, 404455), (299, 263775), (325, 242673), (345, 228605), (575, 137163), (897, 87925), (975, 80891), (1495, 52755), (1725, 45721), (3517, 22425), (4485, 17585), (7475, 10551)]