28768425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1481}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 55865472

約数和(自身を除く): 27097047

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 75, 105, 111, 175, 185, 259, 525, 555, 777, 925, 1295, 1481, 2775, 3885, 4443, 6475, 7405, 10367, 19425, 22215, 31101, 37025, 51835, 54797, 111075, 155505, 164391, 259175, 273985, 383579, 777525, 821955, 1150737, 1369925, 1917895, 4109775, 5753685, 9589475, 28768425]

約数ペア:

[(1, 28768425), (3, 9589475), (5, 5753685), (7, 4109775), (15, 1917895), (21, 1369925), (25, 1150737), (35, 821955), (37, 777525), (75, 383579), (105, 273985), (111, 259175), (175, 164391), (185, 155505), (259, 111075), (525, 54797), (555, 51835), (777, 37025), (925, 31101), (1295, 22215), (1481, 19425), (2775, 10367), (3885, 7405), (4443, 6475)]