28687575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 55282176

約数和(自身を除く): 26594601

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 53, 75, 105, 159, 175, 265, 371, 525, 795, 1031, 1113, 1325, 1855, 3093, 3975, 5155, 5565, 7217, 9275, 15465, 21651, 25775, 27825, 36085, 54643, 77325, 108255, 163929, 180425, 273215, 382501, 541275, 819645, 1147503, 1366075, 1912505, 4098225, 5737515, 9562525, 28687575]

約数ペア:

[(1, 28687575), (3, 9562525), (5, 5737515), (7, 4098225), (15, 1912505), (21, 1366075), (25, 1147503), (35, 819645), (53, 541275), (75, 382501), (105, 273215), (159, 180425), (175, 163929), (265, 108255), (371, 77325), (525, 54643), (795, 36085), (1031, 27825), (1113, 25775), (1325, 21651), (1855, 15465), (3093, 9275), (3975, 7217), (5155, 5565)]