1881567675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2503}}^1$

素因数の和:2789

約数の個数: 72

約数和(自身を含む): 3644912544

約数和(自身を除く): 1763344869

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 257, 325, 585, 771, 975, 1285, 2313, 2503, 2925, 3341, 3855, 6425, 7509, 10023, 11565, 12515, 16705, 19275, 22527, 30069, 32539, 37545, 50115, 57825, 62575, 83525, 97617, 112635, 150345, 162695, 187725, 250575, 292851, 488085, 563175, 643271, 751725, 813475, 1464255, 1929813, 2440425, 3216355, 5789439, 7321275, 8362523, 9649065, 16081775, 25087569, 28947195, 41812615, 48245325, 75262707, 125437845, 144735975, 209063075, 376313535, 627189225, 1881567675]

約数ペア:

[(1, 1881567675), (3, 627189225), (5, 376313535), (9, 209063075), (13, 144735975), (15, 125437845), (25, 75262707), (39, 48245325), (45, 41812615), (65, 28947195), (75, 25087569), (117, 16081775), (195, 9649065), (225, 8362523), (257, 7321275), (325, 5789439), (585, 3216355), (771, 2440425), (975, 1929813), (1285, 1464255), (2313, 813475), (2503, 751725), (2925, 643271), (3341, 563175), (3855, 488085), (6425, 292851), (7509, 250575), (10023, 187725), (11565, 162695), (12515, 150345), (16705, 112635), (19275, 97617), (22527, 83525), (30069, 62575), (32539, 57825), (37545, 50115)]