1974375

素因数分解:

$3^5\times 5^4\times {\mathrm{13}}^1$

素因数の和:48

約数の個数: 60

約数和(自身を含む): 3979976

約数和(自身を除く): 2005601

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 125, 135, 195, 225, 243, 325, 351, 375, 405, 585, 625, 675, 975, 1053, 1125, 1215, 1625, 1755, 1875, 2025, 2925, 3159, 3375, 4875, 5265, 5625, 6075, 8125, 8775, 10125, 14625, 15795, 16875, 24375, 26325, 30375, 43875, 50625, 73125, 78975, 131625, 151875, 219375, 394875, 658125, 1974375]

約数ペア:

[(1, 1974375), (3, 658125), (5, 394875), (9, 219375), (13, 151875), (15, 131625), (25, 78975), (27, 73125), (39, 50625), (45, 43875), (65, 30375), (75, 26325), (81, 24375), (117, 16875), (125, 15795), (135, 14625), (195, 10125), (225, 8775), (243, 8125), (325, 6075), (351, 5625), (375, 5265), (405, 4875), (585, 3375), (625, 3159), (675, 2925), (975, 2025), (1053, 1875), (1125, 1755), (1215, 1625)]