891560625

素因数分解:

$3^1\times 5^4\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 1549903872

約数和(自身を除く): 658343247

約数列:

[1, 3, 5, 15, 25, 47, 67, 75, 125, 141, 151, 201, 235, 335, 375, 453, 625, 705, 755, 1005, 1175, 1675, 1875, 2265, 3149, 3525, 3775, 5025, 5875, 7097, 8375, 9447, 10117, 11325, 15745, 17625, 18875, 21291, 25125, 29375, 30351, 35485, 41875, 47235, 50585, 56625, 78725, 88125, 94375, 106455, 125625, 151755, 177425, 236175, 252925, 283125, 393625, 475499, 532275, 758775, 887125, 1180875, 1264625, 1426497, 1968125, 2377495, 2661375, 3793875, 4435625, 5904375, 6323125, 7132485, 11887475, 13306875, 18969375, 35662425, 59437375, 178312125, 297186875, 891560625]

約数ペア:

[(1, 891560625), (3, 297186875), (5, 178312125), (15, 59437375), (25, 35662425), (47, 18969375), (67, 13306875), (75, 11887475), (125, 7132485), (141, 6323125), (151, 5904375), (201, 4435625), (235, 3793875), (335, 2661375), (375, 2377495), (453, 1968125), (625, 1426497), (705, 1264625), (755, 1180875), (1005, 887125), (1175, 758775), (1675, 532275), (1875, 475499), (2265, 393625), (3149, 283125), (3525, 252925), (3775, 236175), (5025, 177425), (5875, 151755), (7097, 125625), (8375, 106455), (9447, 94375), (10117, 88125), (11325, 78725), (15745, 56625), (17625, 50585), (18875, 47235), (21291, 41875), (25125, 35485), (29375, 30351)]