81596625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 150239232

約数和(自身を除く): 68642607

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 131, 151, 165, 275, 375, 393, 453, 655, 755, 825, 1375, 1441, 1661, 1965, 2265, 3275, 3775, 4125, 4323, 4983, 7205, 8305, 9825, 11325, 16375, 18875, 19781, 21615, 24915, 36025, 41525, 49125, 56625, 59343, 98905, 108075, 124575, 180125, 207625, 217591, 296715, 494525, 540375, 622875, 652773, 1087955, 1483575, 2472625, 3263865, 5439775, 7417875, 16319325, 27198875, 81596625]

約数ペア:

[(1, 81596625), (3, 27198875), (5, 16319325), (11, 7417875), (15, 5439775), (25, 3263865), (33, 2472625), (55, 1483575), (75, 1087955), (125, 652773), (131, 622875), (151, 540375), (165, 494525), (275, 296715), (375, 217591), (393, 207625), (453, 180125), (655, 124575), (755, 108075), (825, 98905), (1375, 59343), (1441, 56625), (1661, 49125), (1965, 41525), (2265, 36025), (3275, 24915), (3775, 21615), (4125, 19781), (4323, 18875), (4983, 16375), (7205, 11325), (8305, 9825)]