15399972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2657}}^1$

素因数の和:2697

約数の個数: 72

約数和(自身を含む): 46440576

約数和(自身を除く): 31040604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2657, 2898, 5314, 5796, 7971, 10628, 15942, 18599, 23913, 31884, 37198, 47826, 55797, 61111, 74396, 95652, 111594, 122222, 167391, 183333, 223188, 244444, 334782, 366666, 427777, 549999, 669564, 733332, 855554, 1099998, 1283331, 1711108, 2199996, 2566662, 3849993, 5133324, 7699986, 15399972]

約数ペア:

[(1, 15399972), (2, 7699986), (3, 5133324), (4, 3849993), (6, 2566662), (7, 2199996), (9, 1711108), (12, 1283331), (14, 1099998), (18, 855554), (21, 733332), (23, 669564), (28, 549999), (36, 427777), (42, 366666), (46, 334782), (63, 244444), (69, 223188), (84, 183333), (92, 167391), (126, 122222), (138, 111594), (161, 95652), (207, 74396), (252, 61111), (276, 55797), (322, 47826), (414, 37198), (483, 31884), (644, 23913), (828, 18599), (966, 15942), (1449, 10628), (1932, 7971), (2657, 5796), (2898, 5314)]