156949443

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 280220928

約数和(自身を除く): 123271485

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 67, 103, 133, 171, 201, 309, 361, 399, 469, 603, 721, 927, 1083, 1197, 1273, 1407, 1957, 2163, 2527, 3249, 3819, 4221, 5871, 6489, 6901, 7581, 8911, 11457, 13699, 17613, 20703, 22743, 24187, 26733, 37183, 41097, 48307, 62109, 72561, 80199, 111549, 123291, 131119, 144921, 169309, 217683, 260281, 334647, 393357, 434763, 507927, 780843, 917833, 1180071, 1523781, 2342529, 2491261, 2753499, 7473783, 8260497, 17438827, 22421349, 52316481, 156949443]

約数ペア:

[(1, 156949443), (3, 52316481), (7, 22421349), (9, 17438827), (19, 8260497), (21, 7473783), (57, 2753499), (63, 2491261), (67, 2342529), (103, 1523781), (133, 1180071), (171, 917833), (201, 780843), (309, 507927), (361, 434763), (399, 393357), (469, 334647), (603, 260281), (721, 217683), (927, 169309), (1083, 144921), (1197, 131119), (1273, 123291), (1407, 111549), (1957, 80199), (2163, 72561), (2527, 62109), (3249, 48307), (3819, 41097), (4221, 37183), (5871, 26733), (6489, 24187), (6901, 22743), (7581, 20703), (8911, 17613), (11457, 13699)]