7781715

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 14320800

約数和(自身を除く): 6539085

約数列:

[1, 3, 5, 9, 15, 29, 45, 67, 87, 89, 145, 201, 261, 267, 335, 435, 445, 603, 801, 1005, 1305, 1335, 1943, 2581, 3015, 4005, 5829, 5963, 7743, 9715, 12905, 17487, 17889, 23229, 29145, 29815, 38715, 53667, 87435, 89445, 116145, 172927, 268335, 518781, 864635, 1556343, 2593905, 7781715]

約数ペア:

[(1, 7781715), (3, 2593905), (5, 1556343), (9, 864635), (15, 518781), (29, 268335), (45, 172927), (67, 116145), (87, 89445), (89, 87435), (145, 53667), (201, 38715), (261, 29815), (267, 29145), (335, 23229), (435, 17889), (445, 17487), (603, 12905), (801, 9715), (1005, 7743), (1305, 5963), (1335, 5829), (1943, 4005), (2581, 3015)]