81650475

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 153552672

約数和(自身を除く): 71902197

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 53, 75, 123, 159, 167, 205, 225, 265, 369, 477, 501, 615, 795, 835, 1025, 1325, 1503, 1845, 2173, 2385, 2505, 3075, 3975, 4175, 6519, 6847, 7515, 8851, 9225, 10865, 11925, 12525, 19557, 20541, 26553, 32595, 34235, 37575, 44255, 54325, 61623, 79659, 97785, 102705, 132765, 162975, 171175, 221275, 308115, 362891, 398295, 488925, 513525, 663825, 1088673, 1540575, 1814455, 1991475, 3266019, 5443365, 9072275, 16330095, 27216825, 81650475]

約数ペア:

[(1, 81650475), (3, 27216825), (5, 16330095), (9, 9072275), (15, 5443365), (25, 3266019), (41, 1991475), (45, 1814455), (53, 1540575), (75, 1088673), (123, 663825), (159, 513525), (167, 488925), (205, 398295), (225, 362891), (265, 308115), (369, 221275), (477, 171175), (501, 162975), (615, 132765), (795, 102705), (835, 97785), (1025, 79659), (1325, 61623), (1503, 54325), (1845, 44255), (2173, 37575), (2385, 34235), (2505, 32595), (3075, 26553), (3975, 20541), (4175, 19557), (6519, 12525), (6847, 11925), (7515, 10865), (8851, 9225)]