28186575

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^2\times {\mathrm{101}}^1$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 47847384

約数和(自身を除く): 19660809

約数列:

[1, 3, 5, 15, 25, 61, 75, 101, 183, 303, 305, 505, 915, 1515, 1525, 2525, 3721, 4575, 6161, 7575, 11163, 18483, 18605, 30805, 55815, 92415, 93025, 154025, 279075, 375821, 462075, 1127463, 1879105, 5637315, 9395525, 28186575]

約数ペア:

[(1, 28186575), (3, 9395525), (5, 5637315), (15, 1879105), (25, 1127463), (61, 462075), (75, 375821), (101, 279075), (183, 154025), (303, 93025), (305, 92415), (505, 55815), (915, 30805), (1515, 18605), (1525, 18483), (2525, 11163), (3721, 7575), (4575, 6161)]