51480975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 110548480

約数和(自身を除く): 59067505

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 25, 35, 39, 57, 65, 75, 91, 95, 105, 133, 175, 195, 247, 273, 285, 325, 397, 399, 455, 475, 525, 665, 741, 975, 1191, 1235, 1365, 1425, 1729, 1985, 1995, 2275, 2779, 3325, 3705, 5161, 5187, 5955, 6175, 6825, 7543, 8337, 8645, 9925, 9975, 13895, 15483, 18525, 22629, 25805, 25935, 29775, 36127, 37715, 41685, 43225, 52801, 69475, 77415, 98059, 108381, 113145, 129025, 129675, 158403, 180635, 188575, 208425, 264005, 294177, 387075, 490295, 541905, 565725, 686413, 792015, 903175, 1320025, 1470885, 2059239, 2451475, 2709525, 3432065, 3960075, 7354425, 10296195, 17160325, 51480975]

約数ペア:

[(1, 51480975), (3, 17160325), (5, 10296195), (7, 7354425), (13, 3960075), (15, 3432065), (19, 2709525), (21, 2451475), (25, 2059239), (35, 1470885), (39, 1320025), (57, 903175), (65, 792015), (75, 686413), (91, 565725), (95, 541905), (105, 490295), (133, 387075), (175, 294177), (195, 264005), (247, 208425), (273, 188575), (285, 180635), (325, 158403), (397, 129675), (399, 129025), (455, 113145), (475, 108381), (525, 98059), (665, 77415), (741, 69475), (975, 52801), (1191, 43225), (1235, 41685), (1365, 37715), (1425, 36127), (1729, 29775), (1985, 25935), (1995, 25805), (2275, 22629), (2779, 18525), (3325, 15483), (3705, 13895), (5161, 9975), (5187, 9925), (5955, 8645), (6175, 8337), (6825, 7543)]