172975275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1561

約数の個数: 72

約数和(自身を含む): 345406464

約数和(自身を除く): 172431189

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 47, 55, 75, 99, 141, 165, 225, 235, 275, 423, 495, 517, 705, 825, 1175, 1487, 1551, 2115, 2475, 2585, 3525, 4461, 4653, 7435, 7755, 10575, 12925, 13383, 16357, 22305, 23265, 37175, 38775, 49071, 66915, 69889, 81785, 111525, 116325, 147213, 209667, 245355, 334575, 349445, 408925, 629001, 736065, 768779, 1048335, 1226775, 1747225, 2306337, 3145005, 3680325, 3843895, 5241675, 6919011, 11531685, 15725025, 19219475, 34595055, 57658425, 172975275]

約数ペア:

[(1, 172975275), (3, 57658425), (5, 34595055), (9, 19219475), (11, 15725025), (15, 11531685), (25, 6919011), (33, 5241675), (45, 3843895), (47, 3680325), (55, 3145005), (75, 2306337), (99, 1747225), (141, 1226775), (165, 1048335), (225, 768779), (235, 736065), (275, 629001), (423, 408925), (495, 349445), (517, 334575), (705, 245355), (825, 209667), (1175, 147213), (1487, 116325), (1551, 111525), (2115, 81785), (2475, 69889), (2585, 66915), (3525, 49071), (4461, 38775), (4653, 37175), (7435, 23265), (7755, 22305), (10575, 16357), (12925, 13383)]