29270787

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 52916976

約数和(自身を除く): 23646189

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 53, 91, 119, 147, 159, 221, 273, 289, 357, 371, 637, 663, 689, 833, 867, 901, 1113, 1547, 1911, 2023, 2067, 2499, 2597, 2703, 3757, 4641, 4823, 6069, 6307, 7791, 10829, 11271, 11713, 14161, 14469, 15317, 18921, 26299, 32487, 33761, 35139, 42483, 44149, 45951, 78897, 81991, 101283, 107219, 132447, 184093, 199121, 245973, 321657, 552279, 573937, 597363, 750533, 1393847, 1721811, 2251599, 4181541, 9756929, 29270787]

約数ペア:

[(1, 29270787), (3, 9756929), (7, 4181541), (13, 2251599), (17, 1721811), (21, 1393847), (39, 750533), (49, 597363), (51, 573937), (53, 552279), (91, 321657), (119, 245973), (147, 199121), (159, 184093), (221, 132447), (273, 107219), (289, 101283), (357, 81991), (371, 78897), (637, 45951), (663, 44149), (689, 42483), (833, 35139), (867, 33761), (901, 32487), (1113, 26299), (1547, 18921), (1911, 15317), (2023, 14469), (2067, 14161), (2499, 11713), (2597, 11271), (2703, 10829), (3757, 7791), (4641, 6307), (4823, 6069)]