39194757

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 70566912

約数和(自身を除く): 31372155

約数列:

[1, 3, 7, 9, 21, 31, 47, 49, 61, 63, 93, 141, 147, 183, 217, 279, 329, 423, 427, 441, 549, 651, 987, 1281, 1457, 1519, 1891, 1953, 2303, 2867, 2961, 2989, 3843, 4371, 4557, 5673, 6909, 8601, 8967, 10199, 13113, 13237, 13671, 17019, 20069, 20727, 25803, 26901, 30597, 39711, 60207, 71393, 88877, 91791, 92659, 119133, 140483, 180621, 214179, 266631, 277977, 421449, 622139, 642537, 799893, 833931, 1264347, 1866417, 4354973, 5599251, 13064919, 39194757]

約数ペア:

[(1, 39194757), (3, 13064919), (7, 5599251), (9, 4354973), (21, 1866417), (31, 1264347), (47, 833931), (49, 799893), (61, 642537), (63, 622139), (93, 421449), (141, 277977), (147, 266631), (183, 214179), (217, 180621), (279, 140483), (329, 119133), (423, 92659), (427, 91791), (441, 88877), (549, 71393), (651, 60207), (987, 39711), (1281, 30597), (1457, 26901), (1519, 25803), (1891, 20727), (1953, 20069), (2303, 17019), (2867, 13671), (2961, 13237), (2989, 13113), (3843, 10199), (4371, 8967), (4557, 8601), (5673, 6909)]