202738515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2143}}^1$

素因数の和:2228

約数の個数: 64

約数和(自身を含む): 400121856

約数和(自身を除く): 197383341

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 53, 85, 105, 119, 159, 255, 265, 357, 371, 595, 795, 901, 1113, 1785, 1855, 2143, 2703, 4505, 5565, 6307, 6429, 10715, 13515, 15001, 18921, 31535, 32145, 36431, 45003, 75005, 94605, 109293, 113579, 182155, 225015, 255017, 340737, 546465, 567895, 765051, 795053, 1275085, 1703685, 1930843, 2385159, 3825255, 3975265, 5792529, 9654215, 11925795, 13515901, 28962645, 40547703, 67579505, 202738515]

約数ペア:

[(1, 202738515), (3, 67579505), (5, 40547703), (7, 28962645), (15, 13515901), (17, 11925795), (21, 9654215), (35, 5792529), (51, 3975265), (53, 3825255), (85, 2385159), (105, 1930843), (119, 1703685), (159, 1275085), (255, 795053), (265, 765051), (357, 567895), (371, 546465), (595, 340737), (795, 255017), (901, 225015), (1113, 182155), (1785, 113579), (1855, 109293), (2143, 94605), (2703, 75005), (4505, 45003), (5565, 36431), (6307, 32145), (6429, 31535), (10715, 18921), (13515, 15001)]