687851145

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{7867}}^1$

素因数の和:7974

約数の個数: 48

約数和(自身を含む): 1251956160

約数和(自身を除く): 564105015

約数列:

[1, 3, 5, 9, 15, 29, 45, 67, 87, 145, 201, 261, 335, 435, 603, 1005, 1305, 1943, 3015, 5829, 7867, 9715, 17487, 23601, 29145, 39335, 70803, 87435, 118005, 228143, 354015, 527089, 684429, 1140715, 1581267, 2053287, 2635445, 3422145, 4743801, 7906335, 10266435, 15285581, 23719005, 45856743, 76427905, 137570229, 229283715, 687851145]

約数ペア:

[(1, 687851145), (3, 229283715), (5, 137570229), (9, 76427905), (15, 45856743), (29, 23719005), (45, 15285581), (67, 10266435), (87, 7906335), (145, 4743801), (201, 3422145), (261, 2635445), (335, 2053287), (435, 1581267), (603, 1140715), (1005, 684429), (1305, 527089), (1943, 354015), (3015, 228143), (5829, 118005), (7867, 87435), (9715, 70803), (17487, 39335), (23601, 29145)]